770721341 has 8 divisors (see below), whose sum is σ = 831008640. Its totient is φ = 710577072.

The previous prime is 770721337. The next prime is 770721383. The reversal of 770721341 is 143127077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 770721341 - 2² = 770721337 is a prime.

It is a super-2 number, since 2×770721341² = 1188022770945676562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 770721298 and 770721307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770721331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24425 + ... + 46238.

It is an arithmetic number, because the mean of its divisors is an integer number (103876080).

Almost surely, 2^770721341 is an apocalyptic number.

It is an amenable number.

770721341 is a deficient number, since it is larger than the sum of its proper divisors (60287299).

770721341 is a wasteful number, since it uses less digits than its factorization.

770721341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71515.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 770721341 is about 27761.8684709801. The cubic root of 770721341 is about 916.8517709863.

The spelling of 770721341 in words is "seven hundred seventy million, seven hundred twenty-one thousand, three hundred forty-one".